CN112030909A - Full-flow all-season treatment process for controlling lake flooding of lake water body - Google Patents
Full-flow all-season treatment process for controlling lake flooding of lake water body Download PDFInfo
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- CN112030909A CN112030909A CN202010850701.XA CN202010850701A CN112030909A CN 112030909 A CN112030909 A CN 112030909A CN 202010850701 A CN202010850701 A CN 202010850701A CN 112030909 A CN112030909 A CN 112030909A
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/08—Devices for reducing the polluted area with or without additional devices for removing the material
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
- C02F11/148—Combined use of inorganic and organic substances, being added in the same treatment step
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F7/00—Aeration of stretches of water
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B15/00—Cleaning or keeping clear the surface of open water; Apparatus therefor
- E02B15/04—Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
- E02B15/10—Devices for removing the material from the surface
- E02B15/104—Conveyors; Paddle wheels; Endless belts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention relates to a full-flow full-season treatment process for controlling lake flooding of lake water body, which comprises the following steps: the first step is as follows: in a lake-flooding water area, a wind wave resistant enclosure is arranged to intercept the cyanobacterial bloom; the second step is that: a mechanical blue algae salvage ship is adopted to absorb the floating algae slurry; the third step: the floating algae slurry is conveyed to a composite algae water separation ship through an overwater floating pipeline; the fourth step: on a composite algae-laden water separation ship, firstly adding two water treatment agents, namely a first water treatment agent and a second water treatment agent, into the floating algae slurry, then mechanically dehydrating the flocculated floating algae slurry to obtain wet algae mud with the water content of less than or equal to 90%, and treating tail water by using air floatation equipment to reach the standard and discharge; the fifth step: conveying the algae mud to an algae mud transport ship through a spiral conveyor; sixthly, conveying the algae mud transport vehicle on the shore through an algae mud conveying pump after the algae mud transport ship is in shore; the seventh step: and (6) finishing. The treatment and disposal with high efficiency and high removal rate in the whole process and all seasons are realized, and the risk of lake flooding is reduced.
Description
Technical Field
The invention relates to the technical field of water environment treatment, in particular to a full-flow all-season treatment process for controlling lake flooding of lake water body.
Background
The lake flooding is the phenomenon that after the eutrophic lake water quality is exploded, accumulated and died in a large amount of blue algae, the eutrophic lake water quality and polluted algae-rich sediment generate chemical reaction under the conditions of oxygen deficiency and anaerobism under the proper meteorological and hydrological conditions to form brownish black 'black water mass' with malodor, and the dissolved oxygen is lower than 2mg/L, so that the water quality of the water body is rapidly deteriorated, and the ecological system is seriously damaged.
The mass accumulation and death of blue algae are the material conditions generated by lake-flooding, the polluted algae-rich sediment rich in organic matters is an important factor generated by the lake-flooding, and the suitable meteorological hydrological conditions such as illumination, air temperature, air speed and water flow are trigger factors generated by the lake-flooding; thioether substances such as dimethyl trisulfide and the like are characteristic pollutants of lake flooding, and chlorophyll a, dissolved oxygen, pH and water temperature are sensitivity indexes of the thioether substances; in order to reduce the influence of lake flooding on the production and life of lake returning residents, a method for combining endogenous pollution reduction and drainage aeration reinforcement is required, so that the water quality of the lake is continuously improved, and the risk of lake flooding is reduced.
Disclosure of Invention
The applicant provides a full-flow full-season treatment process for controlling lake flooding of lake water body aiming at the defects in the prior art, so that a normal measure of fishing floating algae and fishing sinking algae in four seasons in summer and autumn is adopted, and an emergency measure of intensified drainage aeration is combined, so that the treatment and disposal of high efficiency and high removal rate in the full flow and all seasons are realized, and the risk of the lake flooding is reduced.
The technical scheme adopted by the invention is as follows:
a full-flow full-season treatment process for controlling the occurrence of lake flooding of lake water,
the ambient temperature is: the temperature of the mixture is 20-40 ℃,
the treatment process comprises the following steps:
the first step is as follows: in a lake-flooding water area, a wind wave resistant enclosure is arranged to intercept the cyanobacterial bloom;
the second step is that: a mechanical blue algae salvage ship is adopted to absorb the floating algae slurry;
the third step: the floating algae slurry is conveyed to a composite algae water separation ship through an overwater floating pipeline;
the fourth step: on a composite algae-laden water separation ship, firstly adding two water treatment agents, namely a first water treatment agent and a second water treatment agent, into the floating algae slurry, then mechanically dehydrating the flocculated floating algae slurry to obtain wet algae mud with the water content of less than or equal to 90%, and treating tail water by using air floatation equipment to reach the standard and discharge;
the fifth step: conveying the algae mud to an algae mud transport ship through a spiral conveyor;
sixthly, conveying the algae mud transport vehicle on the shore through an algae mud conveying pump after the algae mud transport ship is in shore;
the seventh step: and (6) finishing.
The method also comprises an emergency measure for strengthening drainage aeration, and the specific operation process is as follows:
the first step is as follows: once the lake-flooding occurs, the water area in the lake-flooding range is surrounded by the wind wave resistant enclosure, and a 1/4-circumference gap is reserved;
the second step is that: starting aeration equipment arranged on an aeration treatment ship in the middle of the wind wave resistant enclosure, carrying out aeration reoxygenation on the lake flashing body through high-speed rotation of surface paddles of the aeration equipment, and pushing the reoxygenated water body out of the outer side of the wind wave resistant enclosure;
the third step: draining the water with normal dissolved oxygen content outside the lake-flooding water area to the lake-flooding water area, and increasing the dissolved oxygen in the lake-flooding water area through natural mixing;
the fourth step: detecting the dissolved oxygen in the lake flashing water area, wherein the average value is higher than 3 mg/L;
the fifth step: and finishing treatment.
The surface paddle of the aeration equipment is a semi-submerged propeller, 40-50% of the paddle of the surface paddle is exposed out of the water surface, and 50-60% of the paddle of the surface paddle is submerged under the water.
The first water treatment agent is a compound of polyferric sulfate, polyferric silicate and poly dimethyl diallyl ammonium chloride, and the mixture ratio is one or the mixture of more than two of the components in any proportion.
The full-process full-season treatment process for controlling the occurrence of lake flooding in the lake water body as claimed in claim 1, wherein the water treatment agent II is cationic polyacrylamide.
A full-flow full-season treatment process for controlling the occurrence of lake flooding of lake water,
the ambient temperature is: the temperature of the mixture is 0-40 ℃,
the treatment process comprises the following steps:
the first step is as follows: sucking algae precipitation slurry by an environment-friendly multifunctional operating boat in a lake-flooding easy-to-occur water area;
the second step is that: the algae-settling slurry is conveyed to the composite algae-settling water separation ship through an overwater immersed tube and a floating tube;
the third step: in the composite algae-laden water separation ship, two water treatment agents, namely a first water treatment agent and a second water treatment agent, are added into the algae precipitation slurry, then the flocculated algae precipitation slurry is mechanically dewatered to obtain dry algae mud with the water content of less than or equal to 45%, and tail water is treated by air floatation equipment and then is discharged after reaching the standard;
the fourth step: conveying the dried algae mud cakes to an algae mud transport ship through a spiral conveyor;
the fifth step: after the algae mud transport ship is in shore, mechanically transporting the algae mud transport vehicle on the shore through a grab bucket on the wharf;
and a sixth step: and (6) finishing.
The invention has the following beneficial effects:
the invention has compact and reasonable structure and convenient operation, adopts two normalization measures which are respectively combined with the enhanced drainage aeration of the emergency measure, reduces endogenous pollution through the two normalization measures, increases oxygen and live water through the emergency measure, and solves the problem of lake flooding in three ways, thereby improving the treatment efficiency, continuously improving the water quality of lakes and eliminating the lake flooding.
The two normalization measures and the emergency measure can be combined and used in any two ways between the reinforced drainage aeration, and the method is flexible to use and convenient to treat.
The composite algae-laden water separation ship can mechanically dewater floating algae and sinking algae (algae-rich mud), realizes two purposes, and reduces the treatment cost.
According to the algae mud transport ship, the algae mud does not fall to the ground, no leakage and leakage occur in the whole link, and the environment-friendly effect is good through the ship body, the algae mud cabin and the positive displacement algae mud delivery pump or grab bucket machine.
According to the invention, the wind wave resistant enclosure and the lake-flooding treatment ship are used for enclosing the lake-flooding water body according to a designed mode, aeration reoxygenation and drainage running water are combined, and compared with the case of singly using aeration reoxygenation measures or singly using drainage running water measures, the lake-flooding treatment time is improved by more than 1 time.
Drawings
FIG. 1 is a general process flow diagram of the present invention.
FIG. 2 is a flow chart of the floating algae scooping process at 20-40 deg.C.
FIG. 3 is a flow chart of the algae fishing and settling process when the environmental temperature is 0-40 ℃.
FIG. 4 is a schematic structural diagram of the enhanced drainage aeration means of the present invention.
FIG. 5 is a schematic view of the structure of the aeration treatment ship of the present invention.
Fig. 6 is a full sectional view taken along section a-a in fig. 5.
Wherein: 1. the direction of drainage outside the lake flood area; 2. a barricading gap; 3. wind wave resistant enclosure; 4. an aeration treatment ship; 5. the flow pushing direction of the aeration treatment ship; 6. a hull; 7. positioning the pile; 8. an aeration device.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
As shown in fig. 1-6, the whole-flow all-season treatment process for controlling the occurrence of lake flooding in lake water according to the present embodiment,
the ambient temperature is: the temperature of the mixture is 20-40 ℃,
the treatment process comprises the following steps:
the first step is as follows: in a lake-flooding water area, a wind wave resistant barricade 3 is arranged to intercept the cyanobacterial bloom;
the second step is that: a mechanical blue algae salvage ship is adopted to absorb the floating algae slurry;
the third step: the floating algae slurry is conveyed to a composite algae water separation ship through an overwater floating pipeline;
the fourth step: on a composite algae-laden water separation ship, firstly adding two water treatment agents, namely a first water treatment agent and a second water treatment agent, into the floating algae slurry, then mechanically dehydrating the flocculated floating algae slurry to obtain wet algae mud with the water content of less than or equal to 90%, and treating tail water by using air floatation equipment to reach the standard and discharge;
the fifth step: conveying the algae mud to an algae mud transport ship through a spiral conveyor;
sixthly, conveying the algae mud transport vehicle on the shore through an algae mud conveying pump after the algae mud transport ship is in shore;
the seventh step: and (6) finishing.
The method also comprises an emergency measure for strengthening drainage aeration, and the specific operation process is as follows:
the first step is as follows: once the lake-flooding occurs, the lake-flooding area water is surrounded by the wind wave resistant enclosure 3, and a 1/4 perimeter gap (enclosure gap 2) is reserved;
the second step is that: starting the aeration equipment 8 arranged on the aeration treatment ship 4 in the middle of the wind wave resistant enclosure 3, carrying out aeration reoxygenation on the lake flashing water body by rotating the surface paddles of the aeration equipment 8 at a high speed, and pushing the reoxygenated water body out of the outer side of the wind wave resistant enclosure 3;
the third step: draining the water with normal dissolved oxygen content outside the lake-flooding water area to the lake-flooding water area, and increasing the dissolved oxygen in the lake-flooding water area through natural mixing;
the fourth step: detecting the dissolved oxygen in the lake flashing water area, wherein the average value is higher than 3 mg/L;
the fifth step: and finishing treatment.
The surface paddle of the aeration equipment 8 is the semi-submerged propeller of the embodiment, 40-50% of the paddle of the surface paddle is exposed out of the water surface, and 50-60% of the paddle of the surface paddle is submerged under the water.
The first water treatment agent is a compound of polyferric sulfate, polyferric silicate and poly dimethyl diallyl ammonium chloride, and the mixture ratio is one or the mixture of more than two of the components in any proportion.
And the second water treatment agent is cationic polyacrylamide.
The full-flow full-season treatment process for controlling the occurrence of lake flooding in the lake water body,
the ambient temperature is: the temperature of the mixture is 0-40 ℃,
the treatment process comprises the following steps:
the first step is as follows: sucking algae precipitation slurry by an environment-friendly multifunctional operating boat in a lake-flooding easy-to-occur water area;
the second step is that: the algae-settling slurry is conveyed to the composite algae-settling water separation ship through an overwater immersed tube and a floating tube;
the third step: in the composite algae-laden water separation ship, two water treatment agents, namely a first water treatment agent and a second water treatment agent, are added into the algae precipitation slurry, then the flocculated algae precipitation slurry is mechanically dewatered to obtain dry algae mud with the water content of less than or equal to 45%, and tail water is treated by air floatation equipment and then is discharged after reaching the standard;
the fourth step: conveying the dried algae mud cakes to an algae mud transport ship through a spiral conveyor;
the fifth step: after the algae mud transport ship is in shore, mechanically transporting the algae mud transport vehicle on the shore through a grab bucket on the wharf;
and a sixth step: and (6) finishing.
According to the wind wave resistant enclosure 3, the buoyancy body above the waterline of the wind wave resistant enclosure is increased by 0.3m according to the sense wave height of 80% of the lake water body, and the buoyancy body below the waterline of the wind wave resistant enclosure is generally 1.1-1.3 times as high as the buoyancy body above the waterline.
The invention relates to a composite algae-laden water separation ship, which can mechanically dewater floating algae and sinking algae (algae-rich mud), wherein mechanical dewatering equipment is a high-pressure belt filter press or a diaphragm plate-and-frame filter press.
The invention relates to a special algae mud transport ship, which comprises a ship body, an algae mud cabin and an algae mud delivery pump, wherein the algae mud delivery pump is a positive displacement pump and can be a screw pump, a hose pump, a plunger pump and a rotor pump.
The emergency system for floating management comprises a lake-flooding management ship and a wind wave resistant enclosure 3, wherein the lake-flooding water area is enclosed according to a designed enclosure mode, a gap with the circumference of 1/4 is reserved, aeration reoxygenation is carried out on the lake-flooding water body through surface paddles, and meanwhile, the reoxygenation water body is pushed out of the enclosure to eliminate the lake-flooding.
The floating treatment ship comprises a ship body 6, an aeration device 8 and positioning piles 7, wherein the ship body 6 is an antisymmetric catamaran, the aeration device 8 adopts surface paddles to carry out high-speed rotation aeration, the four positioning piles 7 on the two sides of the ship body 6 are pricked into a lake bottom soil layer to offset the thrust of the surface paddles, and the purposes of fixing the ship and draining the running water are achieved.
As shown in fig. 4, the drainage direction and the plug flow direction are the drainage direction 1 outside the lake-flooded area and the plug flow direction 5 of the aeration treatment ship.
The invention can adopt the normalized measures of fishing floating algae in summer and autumn (namely the environmental temperature is 20-40 ℃) and fishing sinking algae in four seasons (namely the environmental temperature is 0-40 ℃), and combines with the emergency measures of intensified drainage aeration, and the problem of lake flooding is solved by two normalized measures of reducing endogenous pollution and one emergency measure of enriching oxygen and flowing water.
The first embodiment is as follows:
the ambient temperature is: at a temperature of 30 c,
the treatment process comprises the following steps:
the first step is as follows: in a lake-flooding water area, a wind wave resistant barricade 3 is arranged to intercept the cyanobacterial bloom;
the second step is that: a mechanical blue algae salvage ship is adopted to absorb the floating algae slurry;
the third step: the floating algae slurry is conveyed to a composite algae water separation ship through an overwater floating pipeline;
the fourth step: on a composite algae-laden water separation ship, firstly adding two water treatment agents, namely a first water treatment agent and a second water treatment agent, into the floating algae slurry, then mechanically dehydrating the flocculated floating algae slurry to obtain wet algae mud with the water content of less than or equal to 90%, and treating tail water by using air floatation equipment to reach the standard and discharge;
the fifth step: conveying the algae mud to an algae mud transport ship through a spiral conveyor;
sixthly, conveying the algae mud transport vehicle on the shore through an algae mud conveying pump after the algae mud transport ship is in shore;
the seventh step: and (6) finishing.
Example two:
the ambient temperature is: at a temperature of 30 c,
the treatment process comprises the following steps:
the first step is as follows: in a lake-flooding water area, a wind wave resistant barricade 3 is arranged to intercept the cyanobacterial bloom;
the second step is that: once the lake-flooding occurs, the water area in the lake-flooding range is surrounded by the wind wave resistant enclosure 3, and a 1/4-circumference gap is reserved;
the third step: starting the aeration equipment 8 arranged on the aeration treatment ship 4 in the middle of the wind wave resistant enclosure 3, carrying out aeration reoxygenation on the lake flashing water body by rotating the surface paddles of the aeration equipment 8 at a high speed, and pushing the reoxygenated water body out of the outer side of the wind wave resistant enclosure 3;
the third step: draining the water with normal dissolved oxygen content outside the lake-flooding water area to the lake-flooding water area, and increasing the dissolved oxygen in the lake-flooding water area through natural mixing;
the fourth step: detecting the dissolved oxygen in the lake flashing water area, wherein the average value is higher than 3 mg/L;
the fifth step: and finishing treatment.
Example three:
the ambient temperature is: at the temperature of 5 ℃, the temperature of the mixture is controlled,
the treatment process comprises the following steps:
the first step is as follows: sucking algae precipitation slurry by an environment-friendly multifunctional operating boat in a lake-flooding easy-to-occur water area;
the second step is that: the algae-settling slurry is conveyed to the composite algae-settling water separation ship through an overwater immersed tube and a floating tube;
the third step: in the composite algae-laden water separation ship, two water treatment agents, namely a first water treatment agent and a second water treatment agent, are added into the algae precipitation slurry, then the flocculated algae precipitation slurry is mechanically dewatered to obtain dry algae mud with the water content of less than or equal to 45%, and tail water is treated by air floatation equipment and then is discharged after reaching the standard;
the fourth step: conveying the dried algae mud cakes to an algae mud transport ship through a spiral conveyor;
the fifth step: after the algae mud transport ship is in shore, mechanically transporting the algae mud transport vehicle on the shore through a grab bucket on the wharf;
and a sixth step: and (6) finishing.
The above description is intended to be illustrative and not restrictive, and the scope of the invention is defined by the appended claims, which may be modified in any manner within the scope of the invention.
Claims (6)
1. A full-flow full-season treatment process for controlling lake flooding of lake water body is characterized by comprising the following steps:
the ambient temperature is: the temperature of the mixture is 20-40 ℃,
the treatment process comprises the following steps:
the first step is as follows: in a water area where lake flooding easily occurs, a wind wave resistant barricade (3) is arranged to intercept the cyanobacterial bloom;
the second step is that: a mechanical blue algae salvage ship is adopted to absorb the floating algae slurry;
the third step: the floating algae slurry is conveyed to a composite algae water separation ship through an overwater floating pipeline;
the fourth step: on a composite algae-laden water separation ship, firstly adding two water treatment agents, namely a first water treatment agent and a second water treatment agent, into the floating algae slurry, then mechanically dehydrating the flocculated floating algae slurry to obtain wet algae mud with the water content of less than or equal to 90%, and treating tail water by using air floatation equipment to reach the standard and discharge;
the fifth step: conveying the algae mud to an algae mud transport ship through a spiral conveyor;
sixthly, conveying the algae mud transport vehicle on the shore through an algae mud conveying pump after the algae mud transport ship is in shore;
the seventh step: and (6) finishing.
2. The full-process full-season treatment process for controlling the occurrence of lake flooding in the lake water body as claimed in claim 1, wherein: the method also comprises an emergency measure for strengthening drainage aeration, and the specific operation process is as follows:
the first step is as follows: once the lake-flooding occurs, the water area in the lake-flooding range is surrounded by the wind wave resistant enclosure (3), and a 1/4-circumference gap is reserved;
the second step is that: starting the aeration equipment (8) arranged on the aeration treatment ship (4) in the middle of the wind wave resistant enclosure (3), carrying out aeration reoxygenation on lake flashing water through the high-speed rotation of surface paddles of the aeration equipment (8), and pushing the reoxygenated water out of the outer side of the wind wave resistant enclosure (3);
the third step: draining the water with normal dissolved oxygen content outside the lake-flooding water area to the lake-flooding water area, and increasing the dissolved oxygen in the lake-flooding water area through natural mixing;
the fourth step: detecting the dissolved oxygen in the lake flashing water area, wherein the average value is higher than 3 mg/L;
the fifth step: and finishing treatment.
3. The full-process full-season treatment process for controlling the occurrence of lake flooding in the lake water body as claimed in claim 2, wherein: the surface paddle of the aeration equipment (8) is a semi-submerged propeller, 40-50% of the paddle of the surface paddle is exposed out of the water surface, and 50-60% of the paddle of the surface paddle is submerged under the water.
4. The full-process full-season treatment process for controlling the occurrence of lake flooding in the lake water body as claimed in claim 1, wherein: the first water treatment agent is a compound of polyferric sulfate, polyferric silicate and poly dimethyl diallyl ammonium chloride, and the mixture ratio is one or the mixture of more than two of the components in any proportion.
5. The full-process full-season treatment process for controlling the occurrence of lake flooding in the lake water body as claimed in claim 1, wherein: and the second water treatment agent is cationic polyacrylamide.
6. A full-flow full-season treatment process for controlling lake flooding of lake water body is characterized by comprising the following steps:
the ambient temperature is: the temperature of the mixture is 0-40 ℃,
the treatment process comprises the following steps:
the first step is as follows: sucking algae precipitation slurry by an environment-friendly multifunctional operating boat in a lake-flooding easy-to-occur water area;
the second step is that: the algae-settling slurry is conveyed to the composite algae-settling water separation ship through an overwater immersed tube and a floating tube;
the third step: in the composite algae-laden water separation ship, two water treatment agents, namely a first water treatment agent and a second water treatment agent, are added into the algae precipitation slurry, then the flocculated algae precipitation slurry is mechanically dewatered to obtain dry algae mud with the water content of less than or equal to 45%, and tail water is treated by air floatation equipment and then is discharged after reaching the standard;
the fourth step: conveying the dried algae mud cakes to an algae mud transport ship through a spiral conveyor;
the fifth step: after the algae mud transport ship is in shore, mechanically transporting the algae mud transport vehicle on the shore through a grab bucket on the wharf;
and a sixth step: and (6) finishing.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113567981A (en) * | 2021-06-28 | 2021-10-29 | 中国电建集团华东勘测设计研究院有限公司 | SAR image-based flood risk area automatic extraction method |
| CN115417564A (en) * | 2022-10-09 | 2022-12-02 | 安徽久吾天虹环保科技有限公司 | Water bloom polluted water body remediation method |
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